1．My books are on the desk． （就划线部分提问）

                your books?  

2．She likes ice cream and salad． （改为一般疑问句）

         she        ice cream and salad?  

3．This is a tomato． （变为复数形式）

                       ．

4．Jack eats hamburgers for dinner． （改为否定句）

  Jack               hamburgers for dinner．

5．What’s the price of the pants? （改为同义句）

                       the pants?